Internal columns that follow the radial dimensional changes of the timber they span

Abstract

To provide a wooden structural member that follows the radial dimensional changes of the timber that it spans.SOLUTION: The wooden structure is stabilized with internal through columns that reduce variations in height of the wooden structure.SELECTED DRAWING: Figure 7

Description

[Technical Field]

[0001] The present invention relates to a method for constructing a wooden structure (internal through columns that follow the radial dimensional changes of the timber being laid across them). [Background technology]

[0002] Steel materials such as bolts used to connect timber can loosen due to radial dimensional fluctuations in the wood caused by shrinkage over time or fluctuations in the moisture content of the wood due to changes in climate, so a system is commonly used to prevent nuts from loosening using spring washers.

[0003] Wooden buildings, generally referred to as traditional construction methods, are wooden buildings made up of braces, columns, and cross members that have been widely used since the postwar period. However, once constructed, these buildings cannot be used by the next generation and are often dismantled and disposed of within one generation. The main raw material for wooden buildings is wood harvested from forest trees that have been grown for around 50 years. It is obvious that it will take more than 50 years to utilize forest resources without depleting them. Before the war, wooden buildings were not demolished for several decades, and even if they were demolished, the wood was reused for reconstruction, so the lifespan of wood as a building material was several hundred years. The reason why forests in Japan are healthy is due to the country's self-sufficiency rate. In order to achieve sustainability in wooden structures, including wooden houses, which consume large amounts of wood, it is desirable to achieve wooden buildings that can last for more than 100 years.

[0004] The height adjustment mechanisms for support legs under floors in wooden houses and double floors in offices are implemented using screws or turnbuckles. There are a considerable number of support legs, and work is being carried out to adjust the height of all of them. Furthermore, in structural support structures, it is common to use wet leveling mortar to adjust height without using a height adjustment mechanism. When using leveling mortar in wooden houses, it is not convenient enough to be able to correct distances of over 10 meters to an error of about 2 mm, and the construction is subject to variation, with some successes and others failures. For this reason, it is common to measure the work after construction and correct any areas that exceed the tolerance by scraping them off. Furthermore, because it is a wet construction method, skill is required to maintain the strength of the leveling mortar. Since this area will support the entire load of the structure for a long period of time, the consequences of failure are high.

[0005] In the case of steel-framed buildings, where the supporting structures have exposed columns above the concrete foundation, it is common to inject grout (gap-filling material) under the columns to adjust the height and level. Grouting generally uses a cement-based hydrating agent called non-shrink mortar. Because the entire load of the building is placed on this grouting material for a long period of time, the utmost care is required to ensure its quality. In steel-framed buildings, the bolts in the supporting structure adjustment mechanisms can shift horizontally. Construction is carried out with the utmost care to prevent bolt misalignment from exceeding the limit, but if this does occur, measures such as bending the bolts are taken.

[0006] Japanese Patent Application Laid-Open No. 10-183775 proposes a method of fastening wood that utilizes the sponge-like restoring force that causes the radial dimensions of wood to shrink under high temperature and pressure, and then returns to its original radial dimensions when returned to room temperature. Japanese Patent Application Laid-Open Publication No. 2008-202271 proposes a wooden framework in which high-strength, high-density wood, which has been heat-treated in advance, is inserted into low-density wood and then the high-density wood is laid across the frame material, thereby preventing a decrease in interlocking ability even in environments where natural cyclical changes in temperature and humidity occur.This proposal uses a heat-treatment method to apply prestress to the wood, maintaining the interlocking ability of the wood through its restoring force in the natural environment. Mito 3101257 proposes a joist support hardware that features a U-shaped joist support section where joists are fixed with nails on the sides and a spring at the bottom of the support section. The spring force at the bottom of the support hardware, which abuts against the bottom of the joist, lifts the joist upwards to compensate for deformation caused by shrinkage or warping, reducing floor creaking. Japanese Patent Application Laid-Open No. 2004-308772 proposes a sleeve whose dimensions are adjusted by sliding and rotating a cylinder. Japanese Patent Application Laid-Open No. 2003-227173 proposes adjusting the perpendicularity by using a support method that allows sliding by spherical protrusions on the column base support structure of the structure. Japanese Patent Application Laid-Open No. 2006-328804 proposes adjusting and fixing the perpendicularity of a support column that is erected on the floor surface using a spherical mounting base plate and the support column base. Japanese Patent Application Laid-Open No. 2011-132782 proposes a support leg in which an outer tube with a bottom plate is filled with concrete to form a base with a roughly adjusted height, the position where it connects to the inner tube and height adjustment bolts are placed on the concrete to adjust the floating floor height and horizontal position, and the inner tube is filled with grout without any gaps to solidify the adjustment bolts and increase the strength. [Prior art documents] [Patent documents]

[0007] [Patent Document 1] Japanese Patent Application Publication No. 10-183775 [Patent Document 2] Japanese Patent Application Laid-Open No. 2008-202271 [Patent Document 3] Mito 3101257 [Patent Document 4] Japanese Patent Application Laid-Open No. 2004-308772 [Patent Document 5] Japanese Patent Application Laid-Open No. 2003-227173 [Patent Document 6] Japanese Patent Application Laid-Open No. 2006-328804 [Patent Document 7] Japanese Patent Application Laid-Open No. 2011-132782 Summary of the Invention [Problem to be solved by the invention]

[0008] The present invention aims to provide a wooden structure with stable strength for a long period of time, and to achieve stability and excellent workability in the support legs and structure support structure. When assembling wood, it can be precisely cut and shaped into the same beautiful shapes as standard industrial products, but because wood has the characteristic of repeatedly swelling and shrinking over time and depending on the climate, this precision cannot be maintained for long. Generally, wood shrinks over time, with the radial shrinkage being particularly noticeable, which is perpendicular to the grain direction. Furthermore, the radial dimensions change with changes in climate. Therefore, even if pieces of wood are tightly joined together, gaps will appear over time, making it difficult to maintain a stable strength when assembled.

[0009] It has been reported that the equilibrium moisture content of wood used in Japan is around 15% after the moisture content has stabilized several years after construction, with annual fluctuations of around 7%. The shrinkage rate of a typical straight-grained cypress wood toward the center is 0.12, 7% x 0.12 = 0.84% The dimensional change is as follows for 100mm straight grain cypress wood: 100 x 0.84% ​​= 0.84 mm The dimensional changes are repeated according to the change in climate value. The shrinkage rate in the tangential direction is about half that in the central direction. The shrinkage rate in the longitudinal direction is approximately 1 / 10 of that in the central direction. With a shrinkage rate of 0.84%, the cross members of a house or other structure will have a height of about 180 to 360 mm, meaning that a dimensional change of about 1.5 to 3 mm will occur over the course of a year. In addition, initial drying shrinkage adds about 4 to 8% to the moisture content.

[0010] Dimensional changes in beams with large cross-sectional areas are a phenomenon that cannot be overlooked. Deformation of exterior materials attached to beams and the resulting malfunction of waterproofing reduce the quality of wooden buildings. Construction guidelines for structural shear wall materials for wooden buildings include guidelines for deformation of beams, stipulating that a 10mm gap must be maintained between the upper and lower layers. Deformation impairs the quality of wooden buildings. If a beam's dimension of 250mm changes by 2mm over the course of one year, and if the same degree of shrinkage over time is assumed, then a dimensional change of 4mm over a 250mm length will occur concentrated in the beam area. This is a dimensional change that is difficult to address with ordinary exterior materials or waterproofing materials. By adapting to the radial dimensional changes of the cross members, the precision and quality of wooden buildings can be improved. In recent years, laminated timber has become more common for pillars and cross members. However, even with laminated timber, the amount of increase or decrease in cross-sectional dimensions is determined by the orientation of the timber used, so the amount of increase or decrease remains the same even with laminated timber. With general wood, there is also the issue of the cost of drying it to reduce its moisture content.

[0011] It is known that the nuts of the tension bolts used in conventional construction methods loosen over time due to shrinkage. As a countermeasure, it is common to keep pressing the tension bolt with a spring washer. A spring washer is a simple device that presses a nut onto the threads of a bolt with spring force, creating friction to prevent loosening. If the wood shrinks and a gap forms between the nut and the wood, the spring in the spring washer cannot expand to fill the gap, even if it maintains its spring force. When stress occurs in a gap, the spring simply expands and contracts, causing play and play in the structure. Fluctuations in climate can also cause swelling, which can lead to sinking. Since the spring does not return to its original shape due to shrinkage over time, the expanded state of the spring becomes fixed.

[0012] Spring washers have long been used in metal products to prevent nuts from loosening. However, because the radial dimensions of wood are constantly changing, when the spring operates, the pressure on the screw changes along with the change in radial dimensions. As a result, when the spring is stretched, rattle and play occur in the bolt joint. When the radial dimension decreases and the spring expands, the nut becomes loose and vibration occurs. Will the spring method be able to maintain a stable tightening force? If the nut loosens even slightly in a condition that makes it easy to loosen, it will not return to its original state unless it is manually tightened. Retightening work in a completed building is a major undertaking that requires removal and restoration. To prevent this, the bolts can be secured in place by using nuts with anti-loosening capabilities.

[0013] Wooden buildings often use battledore bolts, tension bolts, etc. In the case of tension bolts connecting columns on the upper and lower floors, if the size of the horizontal member between them is 300 mm, the deformation amount α over one year will be 2.5 mm, so 2.5 mm of play will occur in the bolt and nut. The wooden buildings that are currently widely used are built with the above-mentioned unstable factors in mind. The reality is that current wooden construction methods have no choice but to accept the inherent instability of these loose structures. Warping is a deformation that occurs due to the arrangement of annual rings and knots. Deformation due to annual rings occurs when the annual rings become uneven when the log is cut, causing the wood to deform inward toward the inside of the tree. Knots cause various deformations depending on the arrangement of the knots. They often cause the wood to twist. Warping and knots can be reduced by using laminated wood.

[0014] The various wooden frame construction methods that have been proposed in recent years require high-strength joints for the framework, which means that the metal fittings and wood at the joints must be kept in close contact with each other without any gaps until the time of demolition. In particular, when implementing pin construction using bolts and steel plates, or wooden frame construction without braces, high strength can be achieved over the long term by closely adhering the wood and steel plates, so measures to prevent wood deformation are an unavoidable issue.In order to realize wooden frame construction, it is necessary to propose a method that prevents gaps from occurring between the steel material and the wood, even if the radial dimensions of the wood change.

[0015] Floor beams require precise spacing between the concrete foundation and the floor surface, but there is variation in the drying state of the joists, and the floor can sag due to shrinkage over time and climate changes, which is one of the causes of floor squeaking. For this reason, metal fittings to prevent floor squeaking have been proposed in articles such as Jitsuto No. 3101257. Once a customer complains about floor creaking caused by floor beams, it becomes a problem that businesses want to solve because it requires workers to enter under the floor and adjust the turn buckles, a very burdensome task. Because it is difficult to make the top of the foundation concrete level, the standard construction method is to make it level using leveling mortar after pouring the concrete, and then place a wooden base on top of it using foundation packing material. Because the accuracy of leveling mortar varies, it is necessary to check the accuracy after application and to scrape off some parts. Poor application of leveling mortar can also cause it to crack. The floor beams that support the floor joists can be adjusted in size using turnbuckles, but there is no way to adjust the dimensions of the wooden foundation, which is subject to heavy loads, so it is necessary to check and correct the construction accuracy of the leveling mortar. Therefore, height-adjustable metal fittings are required for wooden bases, just like floor beams.

[0016] For the support legs of double floors in offices and floor beams in wooden houses, there is a demand for proposals that are easy to work with, such as adjusting the height of the support legs by sliding them and fixing them with fasteners, without the need for tools. In steel-framed column-base support structures, non-shrinkage mortar is used to adjust the height and angle, and the entire load of the structure is placed on the non-shrinkage mortar, so the quality of the non-shrinkage mortar requires careful attention. Therefore, proposals are required that allow the load of the structure to be transferred directly from the steel columns to the foundation concrete. [Means for solving the problem]

[0017] The present invention has been proposed in view of the above-mentioned situation, and aims to propose a mechanism for making wooden structures into strong structures that will not loosen or have gaps over a long period of time, and a support leg or structure support structure that is equipped with angle and height adjustment functions.

[0018] The moisture content difference is the difference between the equilibrium moisture content and the moisture content of the wood used. After wood is cut down, it decreases over time as the moisture in the wood evaporates until it reaches the equilibrium moisture content. The phenomenon in which the volume of wood also decreases in proportion to the elapsed time is called shrinkage over time. The difference between the moisture content of the wood used and the equilibrium moisture content is proportional to the amount of reduction in the cross-sectional area of ​​the wood. Temperature and humidity are climatic values. Fluctuations in climatic values ​​cause changes in the equilibrium moisture content of wood, resulting in the phenomenon of wood swelling or shrinking. The moisture in wood is divided into bound water in the cell walls and free water in the cell lumen. When wood is cut down, the free water evaporates, and then the bound water evaporates. Once the free water has evaporated, the moisture content of wood is approximately 30%, which is the "fiber saturation point."Further evaporation continues, and the final stable moisture content under constant temperature and humidity conditions is the equilibrium moisture content.

[0019] The frame is the part that makes up one side of a structure made up of columns and cross members. For example, it can be a frame made by sandwiching steel plates between wooden pieces, or a frame made by attaching metal fittings to both ends of wooden pieces. The frame timbers are the timbers that make up the frame. Screws include wood screws, bolts, drift pins, etc. A through-hole is a long hole that allows screws or nails to penetrate through a steel plate, allowing the screws to move freely.

[0020] Claim 1 The cross-sectional direction wood described above is wood that is used in such a way that stress is applied perpendicular to the direction of the fibers when the tree is sawn into a square shape. Claim 1 The grain direction lumber described in is lumber that is used in a way that stress is applied parallel to the grain direction. For example, a cross beam is a cross-sectional lumber because the load direction is perpendicular to the grain direction, and an erected column is a grain direction lumber because the load direction is parallel to the grain direction. The substructure is a concrete foundation, a concrete floor, etc. It is a structure that has unevenness and requires height adjustment. The superstructure may be a double-floored floor, a wooden structure, or a steel frame structure.

[0021] A method for preventing dimensional changes between joining surfaces when fixing using wood will be explained with reference to FIG. FIG. 1 shows a piece of wood 1 fixed to a suspension piece of wood 2 by a first metal connector 3 and a second metal connector 4 attached to the piece of suspension wood 2. The first connector 3 is a steel plate with a U-shaped cross section that defines the suspension wood 2 to be attached to the fixing surface b of the wood 1, and is fixed to one surface a of the suspension wood and the fixing surface b of the wood 1. The second connecting fitting 4 is attached to the suspension timber 2 which is attached to the fixed surface b of the timber 1, and is equipped with a shaft with a screw threaded into a U-shaped steel plate which is attached to the fixed surface c of the suspension timber 2, and the shaft passes through the timber 1 and is fixed to the fixed surface d with a nut. The wooden piece 1 changes in size with the one fixed surface d as the origin. A first connector 3 is fixed to the other fixing surface b of the wooden piece 1 to be joined. A suspension piece of wood 2 having the same amount of fluctuation as the piece of wood 1 is fixed to the fixing surface a connected to the first metal connector 3. The shaft 4 is fixed to the surface c, which is the other side of the fixing surface a of the first metal connector 3 to which the suspension lumber 2 having the same deformation amount is fixed.

[0022] The shaft is a metal fitting that fixes the other surface c of the connected fixing surface a to the fixing surface d, and moves freely relative to the wood piece 1. With this mechanism, when the timber changes dimensions with the fixed surface d as the origin, the suspension timber 2 with the same amount of change also changes dimensions with the surface a to which the suspension timber 2 with the same amount of change of the first connecting fitting 3 is fixed as the origin, so the suspension timber 2 with the same amount of change moves in the opposite direction to the timber 1. Therefore, the distance between the fixed surface d and the other surface c of the fixed surface a does not change.

[0023] A method for preventing gaps caused by shrinkage of wood pieces at the joining surface when two pieces of wood are joined together and fixed will be described with reference to FIG. Before assembly, the dimensions of the wooden pieces vary in the radial direction with the center of each piece of wood as the origin, so if they shrink, gaps will form at the contacting surfaces of the wooden pieces when they are brought together. First, two pieces of wood 1 are brought into contact with each other. A suspension piece of wood 2 is attached to the vertical surface of the joining surface of the wood 1. The attached suspension timber 2 is fixed to both timbers 1. The wood 1 and the suspension wood 2 slide together and are attached. The suspension wood 2 shrinks and swells with the center of the suspension wood 2 as the origin, causing fluctuations in the radial dimensions. By making the origin of the suspension wood 2 the same position as the abutting joint surfaces of both pieces of wood 1, the suspension wood 2 shrinks and swells around the abutting joint surfaces of the abutting pieces of wood 1, so the abutting joint surfaces come into close contact.

[0024] The loose-fitting fasteners will be explained with reference to Figure 4. The holes through which the screws or nails pass are drilled in the steel plate 15 of the frame shown in Figure 3, and are drilled to a size that corresponds to the amount of radial fluctuation caused by swelling and shrinkage of the wood, with the origin of fluctuation of the frame timber 10 as the reference point. As shown in Figure 4 A is the diameter of the screw or nail γ is the shrinkage rate of wood r is the distance from the center of the wood to the center of the hole The length L of the hole to be drilled in the radial direction is L=A+(γxr) This is a means to prevent stress from being generated in the wood due to the positional shift of the screws or nails that penetrate the wood and steel plate caused by the swelling and shrinkage of the wood.

[0025] The moisture content differential compression method and moisture content differential compression suspension frame will be explained with reference to Figure 3. The frame shown in Figure 3 is a suspension frame configured by attaching suspension timbers 2 to a frame made up of timber frames 10, timber frames 10, and steel plates 15 sandwiched between the timber frames 10, in a direction perpendicular to the joint surfaces of the timber frames 10, steel plates 15, and timber frames 10. The frame may be a two-piece timber frame, or a single piece of timber with steel plates inserted at the joint ends. The amount of change due to the time-dependent shrinkage of the wood used during assembly is proportional to the difference in moisture content between the moisture content of the wood at the time of assembly and the equilibrium moisture content of the wood. Shrinkage is accompanied by a shrinkage force of the wood. The moisture content differential compression method proposes that compressive stress be generated at the contact surface between the frame timber 10 and the steel plate 15 by making the moisture content difference between the suspension timber 2 greater than that of the frame timber 10 . The compressive stress caused by the difference in moisture content is called the moisture content difference compressive force. In Figure 3, the moisture content difference compressive force generates a frictional force at the joint surface between the frame timber 10 and the steel plate 15. This frictional force is called the moisture content difference frictional force. The moisture content difference frictional force is exerted within a few weeks after assembly on the frame and stabilizes within several years. Although the suspension wood 2 and the frame swell depending on the climate, the amount of swelling is the same, so the difference in shrinkage amount remains the same.

[0026] The wood frame compression unit will be explained with reference to FIGS. The moisture content differential compression suspension frame of "0025" is a proposal to generate frictional force between the frame timber and steel plate of the frame by the suspension timber, while the timber frame compression unit is a proposal to similarly use the restoring force of a spring to generate frictional force between the frame timber and steel plate. Compression plates 41 are attached to both outer surfaces of the frame timbers 10 of the frame. Bolts 42 are inserted through the compression plates 41, frame timbers 10, steel plates 15, frame timbers 10, and compression plates 41, and a spring unit containing a compression spring 43 is inserted into the bolts 42 and screwed into place with a nut 42. The restoring force of the compression springs 43 compresses the contact surfaces between the frame timbers 10 and steel plates 15, generating friction.

[0027] The spring unit is cylindrical or rectangular and is made up of a compression spring 43, an outer case 44, and an inner case 45. The outer case 44 and the inner case 45 slide against each other, and the compression spring 43 is disposed in the space enclosed by the outer case 44 and the inner case 45. The inner case 45 is formed with a bent piece, which is fixed to the outer case 44 to form a unit. The bolts are inserted through the frame, spring unit, and compression plate and screwed together. The opening edge of the outer case of the spring unit is bent and attached to the compression plate. The spring unit and compression plate may be formed as one unit. When the screws are tightened, the compression springs 43 are pressed, generating a restoring force that presses the frame from both outer surfaces via the spring unit and compression plate 41, generating a frictional force on the contact surface between the wooden frame 10 and the steel plate 15. Because the wooden frame undergoes dimensional change in the radial direction, the compression springs 43 should have a stroke that exceeds the amount of change, and a spring that exerts a restoring force corresponding to the expected amount of dimensional change should be used. In order to preserve the soothing design of the wood, the spring units were fixed by cutting the wood. The tips of the bolts would also spoil the design, so by integrating them with the compression plate, a beautiful joint can be created.

[0028] Claim 1 The internal through-pillar described above will be explained with reference to Figs. 7 and 8. Claim 1 The cross-directional timbers attached to the directional timbers described in the above correspond to a standard framework structure of a wooden building in which the directional timbers are pillars and the cross-directional timbers 19 are beams. The framework structures of wooden structures have the problem of wood shrinkage and swelling described in "0011" to "0013". This proposal solves the problem that when a cross member is placed on a column, the height of the top of the cross member changes due to shrinkage over time and changes in radial dimensions caused by changes in climatic conditions. Insertion holes 8 are drilled in the directional lumber 19. The insertion holes 8 are drilled close to the top of the directional lumber 19. If there are directional lumber 18 in the upper layer, the insertion holes 8 are also drilled through the directional lumber 19. Tenons 7 are machined into the insertion holes 8 of the directional lumber 19 in the lower and upper layers of directional lumber 19. The tenons 7 of the directional lumber 18 in the lower layer are made larger than the tenons 7 of the directional lumber 18 in the upper layer. The insertion holes 8 of the directional lumber 19 have a step. The tenons 7 of the directional lumber 18 are inserted into and fixed into the insertion holes 8 of the directional lumber 19. The directional lumber 19 and the directional lumber 18 in the lower layer abut at the bottom of the insertion holes 8, and the top surface of the tenon 7 of the directional lumber 18 in the lower layer abuts the bottom surface of the tenon 7 of the directional lumber 18 in the upper layer.

[0029] The insertion hole 8 and the tenon 7 are in sliding contact with each other, so even if the radial dimensions of the cross-sectional timber 19 change due to deformation of the wood caused by changes in climate, the fluctuation in the position of the top end of the cross-sectional timber 19 can be reduced. The column capital hardware 40 that secures the grain-oriented timber 18 and the cross-sectional timber 19 has a screw fixing hole on the grain-oriented timber side as a through-hole 9. The fixing screw moves freely within the through-hole 9 due to dimensional changes caused by radial fluctuations of the cross-sectional timber 19, so it is fixed with a loose insertion. In order to reduce the adverse effect of reducing the cross section of the cross member due to drilling of the insertion holes 8, steel plates and bolts or drift pins may be used.

[0030] The convex base plate support legs will be explained with reference to FIGS. 14 and 15. FIG. The substructure, in the case of a wooden house, would be the concrete foundation, and the superstructure would be the wooden structures such as the house's floor and foundation. These are support legs such as floor beams that are mainly installed under the floor and on which cross-sectional lumber is placed. Cross-sectional direction: Wood shrinks over time and changes in the radial dimensions due to changes in climate, which can cause problems such as floor squeaking. As a countermeasure, we propose reducing the fluctuations in floor height, which is the dimensional reference plane. An insertion hole is drilled in the underside of the cross-sectional lumber, reaching deep toward the top surface of the cross-sectional lumber. The support leg base plate abuts against the cross-sectional lumber and the foundation concrete, and the base plate abutting against the cross-sectional lumber has a convex portion formed from a steel plate in a convex shape that is in sliding contact with the insertion hole. In addition to using a steel plate to form the convex shape, the convex portion can also be formed from wood or a resin material. Square pipes or square lumber can also be used instead of a convex shape.

[0031] The upper surface of the convex portion of the support leg is in contact with the bottom surface of the insertion hole in the cross-sectional direction of the wooden piece. If the bottom surface of the insertion hole is closer to the dimensional reference plane, fluctuations in the height of the dimensional reference plane due to dimensional fluctuations of the wooden piece can be reduced. The support leg and cross-sectional wood are fixed in position by fitting the insertion hole into the convex portion. To achieve this pull-out fixation, a bent piece is formed by processing part of the insertion hole into a hook shape. Before inserting the convex portion, the bent piece protrudes from the outer surface of the convex portion in the pull-out direction, and when stress is applied in the pull-out direction, the restoring force of the protruding piece causes it to sink in, creating pull-out resistance and allowing the hook to engage.

[0032] The support legs are spacing adjustment devices that are sandwiched between the underside of the upper structure and the top surface of the lower structure, and the spacing adjustment device is composed of an inner cylinder portion formed by an inner cylinder and a base plate that abuts against the opening edge of the inner cylinder, and an outer cylinder portion formed by an outer cylinder and a base plate that abuts against the opening edge of the outer cylinder. The inner cylinder is a cylindrical or solid inner cylinder having a sliding portion and teeth formed on the outer circumferential surface, and a base plate is abutted against the opening edge and abuts against the upper structure. The outer cylinder portion is a cylindrical outer cylinder with sliding portions and teeth formed on its inner surface, and is equipped with a fastener for fixing.A base plate abuts against the opening edge of the outer cylinder and abuts against the lower structure. The sliding portion is smooth with the teeth removed, and can slide freely when the sliding portion and the teeth of the inner and outer cylindrical portions are aligned. It is a good idea to engrave or print the working scale. In order to allow the outer and inner cylindrical portions to slide freely, the total circumferential length of the teeth of the outer and inner cylindrical portions is set equal to or less than the circumferential length of the inner surface of the outer cylindrical portion. The teeth of the outer and inner cylindrical portions are shaped to mesh with each other.

[0033] The fastener may be a simple pin type or a type that presses the teeth in one direction to fit them in. For example, the teeth may be slightly deformed to apply friction to rotation. To install the support legs, align the toothed portion of one of the outer and inner cylinders with the sliding portion of the other, slide it, and adjust it to the distance between the opposing surfaces of the upper structure and lower structure. Then, rotate one of the outer and inner cylinders until the toothed portions of both engage, and confirm that the engagement is complete when the fastener on the outer cylinder engages, completing the installation. No tools are required. In double floors and floor beams of wooden houses, the load on the support legs is small, so the necessary strength can be obtained for the above work. Support legs are generally adjusted by screwing them together. While the screw type allows for continuous adjustment, this proposal uses step adjustment. The reason for using step adjustment in this proposal is that the accuracy of the level measuring device used to adjust the height is sufficient for step adjustment.

[0034] A typical level measuring device measures the horizontal plane with a pendulum (gimbal) and displays it with a laser beam. The diameter of the laser beam is approximately 1 mm or more, and even with the laser receiver, the response accuracy is 1 mm. This proposal calls for step adjustments, but since the minimum unit for unevenness adjustment using a laser measuring device is 1 mm, there is no engineering problem with step adjustments in 1 mm increments.Furthermore, flatness inspections for general offices are judged visually with a tolerance of 3 mm per 2 m. When adjusting double floors in an office or floor beams in a wooden house, there are many support legs that need to be adjusted at once, which requires the worker's concentration. This proposal simplifies the work and prevents easy mistakes, resulting in higher quality products and less labor.

[0035] The height adjustment method involves marking scale lines on the sliding parts of the inner tubes of the support legs and making sure all support legs are the same height beforehand. Before starting work, visually check that all support legs are the same height. Place the support legs on the substructure, and for support legs that require height adjustment, determine the amount of adjustment and then adjust by counting the teeth or reading the scale. The advantage is that the height can be made the same because there are sliding parts and fasteners.

[0036] The solidification material-filled support legs are a proposal that can withstand large loads such as the load of a building. The solidification material-filled support leg has a cylindrical inner tube on the upper side of the support leg, with a solidification material filling hole drilled in the inner tube. The lower side is an outer tube. One of the outer and inner tubes is slid to adjust the distance between the opposing surfaces of the underside of the upper structure and the upper surface of the lower structure, and one of the outer and inner tubes is rotated to engage the teeth of both by operating the fastener. The enclosed space is filled with a solidification material such as non-shrink mortar through the solidification material filling hole, and once the solidification material has hardened, the upper structure is placed on top. The solidifying material filling hole may be drilled in the side surface of the inner cylinder. The lower opening edge of the inner cylinder abuts against the base plate of the outer cylinder via a solidified material with high compressive strength, providing safe strength against long-term heavy loads. A ring plate 37 is abutted against the lower opening edge of the inner cylinder to increase the axial strength.

[0037] The solidification agent-filled structure support structure uses a screw-type joining method, whereas the solidification agent-filled support legs are joined by sliding and interlocking. The support structure for a solidifier-filled structure is a distance adjustment device that is sandwiched between the opposing surfaces of the underside of a structure and the upper surface of the foundation concrete, and the lower side is a cylinder with a female thread formed on its inner circumferential surface and a female threaded portion with a base plate abutting against the lower opening edge of the cylinder, and the upper side is a cylinder with a male thread formed on its outer circumferential surface and a base plate abutting against the upper opening edge of the cylinder and a male threaded portion with a solidifier filling hole drilled in. The female threaded portion and the male threaded portion are screwed together, and one of the male threaded portion and the female threaded portion is rotated to adjust the distance between the opposing surfaces, and the solidifier fills the enclosed space through the solidifier filling hole in the male threaded portion and solidifies, making this a solidifier-filled structure support structure. Mainly for large structures, when the column base is heavy, the screw type is easier to work with. Between the solidification agent-filled support legs and the solidification material-filled structure support structure, the one that is easier to work with can be selected.

[0038] The convex base plate spacing-adjustable support leg has a convex base plate attached to the base plate of the upper inner cylindrical part of the support leg, solidification material-filled support leg, or solidification material-filled structure support structure. The convex portion of the convex base plate is in sliding contact with the insertion hole of the wood in the cross-sectional direction. The base plate of the inner cylindrical portion is the convex base plate, which is the convex base plate inner cylindrical portion. Since the convex base plate spacing adjustment support leg or convex base plate spacing adjustment structure support structure is formed by joining the inner cylindrical portion and the outer cylindrical portion of the convex base plate, they are collectively referred to as convex base plate spacing adjustment support legs. This is a convex base plate spacing adjustable support leg that responds to changes in the radial dimensions of the cross-sectional lumber caused by fluctuations in the radial dimensions of the cross-sectional lumber over time and due to climate values, and adjusts the distance between the opposing surfaces of the cross-sectional lumber and the lower structure so that the cross-sectional lumber can be placed on it.

[0039] The support structure for the plumbing structure is a support leg or a solidification material filled support leg or a solidification material filled structure support structure or a convex base plate interval adjustment support leg or Generally, when erecting a steel column base on a concrete foundation, the column is erected by performing a plumbing operation. It is easier to accurately measure the level of the base plate when the column is erected, and performing this at the same time as the column is fixed in place ensures reliable construction. A base plate formed into a convex or concave spherical surface is abutted against the upper opening edge of the inner cylindrical part of the structural support structure. The structural leg part mounted on the inner cylindrical part is a structural leg part that abuts against a base plate formed into a convex or concave spherical surface that is in close contact with the inner cylindrical part base plate, and the upper surface of the inner cylindrical part base plate and the lower surface of the structural leg base plate are brought into close contact with each other to adjust the joint angle of the structural leg. The inner cylindrical part and the structural leg part are fixed with screws. This is a plumbing structural support structure in which the joint angle adjustment function is attached to the support leg or structural support structure.

[0040] The contact surface may be a curved surface instead of a spherical surface. In the case of a curved surface, the angle adjustment direction is limited to one direction, so it is sufficient to add the number of directions for adjusting the curved surface. Furthermore, if the angle adjustment direction is only one direction, a curved surface is better. Although this is a proposal to add a joint angle adjustment function between the structure support structure and the structure leg, it is also possible to add a joint angle adjustment function between the foundation concrete and the structure support structure. For example, if the structural legs of a wooden building are the base of a cross member, multiple structural support structures will be erected on one base, so it is more appropriate to install the joint angle adjustment function between the base concrete. Furthermore, if it is a base, the joint angle adjustment function will be in one direction, so a curved, intimate contact surface will suffice.

[0041] The dimension adjustment mechanism also causes horizontal bolt position misalignment. The limit tolerance for structural anchor bolts in steel structures is 5 mm. In this proposal, the base plate of the column base and the structural support structure are fixed with screws, so if the limit tolerance is exceeded, it is possible to change the limit tolerance by remaking the structural support structure proposed in this proposal with the designer's confirmation. Remaking only the structural support structure will save both cost and time. [Effects of the Invention]

[0042] By using the above-mentioned means, the present invention can achieve the effects described below.

[0043] To provide a wood joint fitting with a suspension mechanism that follows the changes in radial dimensions of wood due to changes over time and environmental changes for various metal fittings currently generally used in construction of wooden buildings. Since the wood joint fittings with suspension mechanism can follow the changes in the radial dimensions of the wood, problems caused by the nuts on the fittings becoming loose can be prevented.

[0044] In a wooden structure where steel plates are sandwiched between pieces of wood, the wood and steel plates can be kept in constant contact with each other by using a suspension frame and a compression suspension frame. Since strong compressive stress can be generated in wood and metal fittings by the tightening force of screws during installation, the suspension frame does not generate compressive stress within the system, but it can generate compressive stress by the tightening torque of screws during installation and maintain that compressive stress. The moisture content differential compression method generates strong friction between the wood and metal fittings due to the shrinkage force of the wood, which reduces the risk of screws used for fastening breaking due to shear failure or metal fatigue caused by repeated stress. Wooden buildings must be able to withstand heavy loads for long periods of time and are required to be safe, which is directly linked to human life. Conventional wooden structures rely on the shear force of metal bolts, so shear and fatigue fracture of the metal bolts are a risk. By creating friction at the contact surface between the wood and metal fittings, wooden construction technology can be advanced by reducing the factors that cause metal bolts to break due to shear and fatigue.

[0045] This is a proposal for a system that adheres to the radial dimensional changes of wood by using a moisture content differential compression suspension frame, moisture content differential compression method, and loose-fitting fasteners in a natural environment.Although there is a system that adheres wood by using the restoring force from a compacted state after compression and shrinkage, it is not a proposal for use in a natural environment. The wood frame compression unit can be expected to have the same effect as the moisture content differential compression suspension frame. Using a spring is also an effective way to quantify the compressive stress. If you cut the wood to make the suspension unit less noticeable, it will not detract from the design. As the uses of wooden structures expand from wooden houses to medium- to large-scale structures, we provide wooden structures that incorporate a mechanism that follows dimensional changes of wood in order to achieve high precision and durability.

[0046] The internal through column is a proposal to prevent the height of a wooden house from changing even if the horizontal members of the house change in the radial direction, and this proposal will improve the precision of wooden buildings constructed using conventional methods. It will also reduce problems that occur in areas that cross the horizontal members, such as waterproofing of exterior wall materials.

[0047] The convex base plate support legs and convex base plate spacing-adjustable support legs are proposed to reduce problems caused by radial dimensional changes in cross-sectional wood, and when used with wooden foundations and wooden joists, they provide floor support legs that reduce problems caused by floor creaking in wooden houses. Furthermore, because the hooks can be easily fastened by inserting them, no tools are required, providing labor-saving construction without the use of fasteners such as nails. Furthermore, since the joists are pre-drilled with holes, using joists with pre-drilled holes at the factory makes it easier to specify the floor support leg positions in the design, and on-site work is simplified by simply inserting metal fittings into the pre-drilled holes.

[0048] The support legs on which the superstructure is placed are proposed as floor support legs for double floors or wooden houses equipped with a height adjustment function, and provide support legs that reduce the labor required for construction.

[0049] The solidifying agent-filled support legs and the solidifying material-filled structure support structure provide support legs or structure support structures that can support heavy load structures and have a height adjustment function.

[0050] The plumbing structure support structure is a proposal to add a joint angle adjustment function to the support legs and structure support structure, and provides a support leg and structure support structure that has both height and angle adjustment functions. To provide a mechanism for adjusting the height and angle of a support leg of a double floor, a floor beam of a wooden house, or a support structure of other structures. [Brief explanation of the drawings]

[0051] [Figure 1] Completed drawing of the suspension mechanism with opposing fixed surfaces secured with wood. [Figure 2] Overview of the suspension frame that cradles the suspension timber over the abutting timber [Figure 3] Overview of the moisture content differential compression suspension frame, in which steel plates are sandwiched between wood. [Figure 4] Overview of the timber frame compression unit [Figure 5] Exploded view of the timber frame compression unit [Figure 6] Overview of loose-fitting fixtures that sandwich steel plates with wood [Figure 7] Overview of the internal column [Figure 8] Exploded perspective view of the internal through-hole [Figure 9] Perspective view of the support leg [Figure 10] Cross-sectional view of the outer cylinder of the support leg [Figure 11] Cross-sectional view of the inner cylinder of the support leg [Figure 12] Cross-sectional view of the outer and inner support leg cylinders sliding together [Figure 13] Cross-sectional view of the outer and inner support leg cylinders when engaged [Figure 14] Exploded perspective view of the convex base plate spacing adjustment support leg [Figure 15] Overview of the convex base plate spacing adjustment support legs [Figure 16] Exploded perspective view of the structure support structure [Figure 17] Overview of the structure support structure DETAILED DESCRIPTION OF THE INVENTION

[0052] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the drawings showing an embodiment.

[0053] In Figure 1, one fixed surface c and the other fixed surface d, which do not change dimensions, are fixed to a piece of wood 1 that shrinks or swells, so one fixed surface c of suspension wood 2, which changes in size in the same way as wood 1, is connected to the other fixed surface d that the wood 1 abuts, via the shaft of a second connecting metal fitting 4. The shaft of second connecting metal fitting 4 passes through wood 1 and is fixed to the other fixed surface d via a nut and washer 5. The other surface b of the wood at the other fixed surface d against which the wood 1 abuts is connected to one surface a of the suspension wood at one fixed surface c of the suspension wood 2 by a first connecting fitting 3, and the first connecting fitting 3 and the suspension wood 2, and the wood 1 and the second connecting fitting 4 slide, so that the distance between one fixed surface c and the other fixed surface d does not change in dimension.

[0054] In FIG. 2, when two pieces of wood 1 are brought into contact with each other, a gap is created between the two pieces of wood 1 due to the shrinkage of the wood 1 in the radial direction over time and fluctuations in the radial dimensions due to climate. A suspension wood 2 that deforms in the same way as the wood 1 is attached to the wood 1, and the suspension wood 2 and wood 1 are in sliding contact 14. By bridging the suspension wood 2 across both pieces of wood 1, when the radial dimension of the wood 1 changes, the suspended suspension wood 2 also changes simultaneously and at the same rate. The radial dimension of the suspended suspension wood 2 changes with the center of the suspended suspension wood 2 as the origin, resulting in a suspension frame with no gaps between the pieces of wood 1 that come into contact. The arrows in the figure indicate the direction of deformation when wood shrinks.

[0055] Figure 3 shows a diagram of a steel plate sandwiched between pieces of wood to use it in the frames and joints of wooden structures. Specific examples include a case where the framing timbers 10 are separate pieces of wood, and a case where the framing timbers 10 are one piece of wood with notches provided at the ends of the wood for inserting steel plates. The suspension timbers 2 are attached and fixed to the vertical surfaces of the sandwiched surfaces between the frame timbers 10 and the steel plate 15. The suspension timbers 2 are also attached to the top and bottom surfaces of the frame timbers 10. When the steel plate 15 is sandwiched between the framing timbers 10, radial dimensional fluctuations occur due to shrinkage and swelling with the center of the framing timber 10 as the origin. This causes gaps to form between the framing timbers 10 and the steel plate 15, but the suspension timbers 2 also undergo radial dimensional fluctuations with the center of the suspension timber 2 as the origin at the same time and at the same rate as the framing timbers 10. Therefore, the framing timbers 10 are forced to deform at the center of the suspension timbers 2, and this prevents gaps from forming between the framing timbers 10 and the steel plate 15.

[0056] Furthermore, in order to generate compressive stress by the contraction force of the suspension lumber 2, a moisture content differential compression method is used in which the moisture content of the suspension lumber 2 is made higher than that of the frame lumber 10 during assembly, and compressive stress is generated by the contraction force of the suspension lumber 2. The suspension timber 2 is cut to the same width as the frame consisting of the frame timber 10 and the steel plate 15. wood 2 is processed into a shape that defines the frame. The moisture content of the suspension wood 2 is Mefu The moisture content is set higher than that of the frame lumber 10. The resulting difference in moisture content results in different amounts of shrinkage, with the amount of shrinkage of the suspension lumber 2 being greater than that of the frame. This difference in shrinkage is due to the shrinkage force of the suspension lumber 2, which acts as a pressing force on the steel plate 15 by the frame lumber 10, generating friction between the frame lumber 10 and the steel plate 15.

[0057] figure 6 In the side view of the steel plate 15 in FIG. 3, the size of the hole through which the screw or nail is drilled is such that the diameter of the top screw hole is A, and the length L1 in the vertical direction of the screw hole below it is L1=A+(γxr1) A: screw hole diameter γ: Dimensional variation rate of wood r1: Distance to the top screw hole By setting the size to the calculated value, it is proposed to create a joint where stress is not generated between the screw or nail and the framing timber 10 due to dimensional changes in the radial direction of the framing timber 10, and by deforming the top part closest to the dimensional reference plane f to the origin, it is possible to reduce dimensional changes in the structure caused by dimensional changes in the framing timber 10. 5 and 6, a frame consisting of a wooden frame 10 sandwiching a steel plate 15 is pressed together with compression plates 41 on both outer surfaces, causing the wooden frame 10 and the steel plate 15 to come into close contact, and frictional force is generated by the restoring force of the spring.

[0058] 7 and 8, the upper ends of the directional timber 18 on the lower floor are machined into tenons 7 that fit into the insertion holes 8 of the directional timber 19. Insertion holes 8 are drilled in the directional timber 19, and the insertion holes 8 are through-holes so that the bottom surfaces of the insertion holes 8 of the directional timber 18 on the upper floor abut against the top surfaces of the insertion holes 8 of the directional timber 18 on the lower floor. The shape of the insertion holes 8 is such that a step is provided at the point where the directional timber 18 on the upper floor abuts against the directional timber 18 on the lower floor. The step causes the grain direction timber 18 of the lower floor in the insertion hole to come into contact with the cross-sectional timber 19, so that the cross-sectional timber 19 comes into contact with the grain direction timber 18 and the load is transmitted. The load of the upper floor transmitted by the directional timber 18 of the upper floor is transmitted to the directional timber 18 of the lower floor by the end of the tenon 7 of the directional timber 18 of the upper floor abutting against the end of the tenon 7 of the directional timber 18 of the lower floor in the insertion hole 8. The dimensional reference plane f of the top surface of the cross-sectional directional timber 19 abuts against the bottom end of the directional timber 18 of the upper floor. The deformation of the portion of the grain-oriented timber 18 inserted into the insertion hole of the lower floor is about 1 / 10 of that of the cross-sectional timber 19. Therefore, the deformation of the cross-sectional timber 19 can be reduced.

[0059] 9, 10, 11, 12 and 13 are diagrams showing support legs with height adjustment mechanisms. The support leg consists of an inner and outer cylindrical portion, and a base plate 25 protrudes from the edge of the cylindrical opening. Sliding portions 28 and teeth 26 are formed on the outer peripheral surface of the inner cylinder and the inner peripheral surface of the outer cylinder, and the two are in sliding contact with each other. As shown in Figure 12, sliding can be achieved by aligning the sliding portion of the inner cylindrical portion with the teeth on the outer peripheral portion, and meshing can be achieved by aligning the teeth on the inner cylindrical portion with the teeth on the outer cylindrical portion, as shown in Figure 13. The height is adjusted by sliding, and the position is fixed by meshing. A fastener 29 is provided on the outer periphery, and the engagement is fixed by the operation of the fastener 29. The ends of the outer teeth are provided with pressure-contact portions 22, which are made by raising the crests of the teeth, and these pressure-contact portions 22 are in pressure contact with the bottoms of the other teeth. The pressure contact action of the pressure-contact portions 22 prevents rattling between the inner and outer peripheral portions. In addition, the solidification material can be filled through the solidification material filling holes 30. Hardening resins, cement-based solidification materials, etc. can be used as the solidification material. When strong fixation is required, such as when the vertical stress is large, a solidification material that is fluid and hardens over time can demonstrate high vertical strength.

[0060] Figures 14 and 15 show diagrams of convex base plate spacing-adjustable support legs used under the floors of wooden houses, etc. The support leg is made up of the inner and outer cylindrical portions, and the shaft 20 and shaft base portion 21 are attached to the base plate 25 of the outer cylindrical portion. In the convex base plate spacing adjustable support leg to be installed between the floor and foundation concrete of a wooden house, a cross-sectional lumber 19 is placed on it, and in order to respond to the change α in the radial dimension of the cross-sectional lumber 19, the base plate 25 of the inner cylindrical part is shaped to have a convex portion 6 attached. By inserting the convex portion 6 into the insertion hole of the cross-sectional wooden piece 19 and abutting the top surface of the convex portion against the bottom surface of the insertion hole, the fluctuation amount α of the cross-sectional wooden piece 19 can reduce the fluctuation in the height of the dimensional reference plane f. In addition, a bent piece 11 is formed on the convex portion to hook the convex portion to the wood. The bent piece 11 generates strength in the pull-out direction by hooking to the wood using the restoring force of the metal, and hooks the convex base plate to the wood in the cross-sectional direction. It is sufficient to ensure that the radial dimensional variation of the part of the wood where the bent piece 11 hooks does not cause problems due to the bent piece 11 sinking into the wood, and the bent piece 11 will not pull out the convex portion 6 if the deformation is so great that it would be pulled out. Fixing by hooking reduces the labor required. By reducing the amount of variation in the dimensional reference plane f, the occurrence of floor creaking can be suppressed, and the burden of complaints and concerns from customers after completion can be reduced.

[0061] Figures 16 and 17 show diagrams of the structural support structure of a steel-framed building. The base plate 25 is abutted against the opening edge of a female threaded portion 38, which has a female thread formed on the inner peripheral surface of the cylinder, and the base plate 25 is placed on the concrete foundation 16. A convex spherical base plate 31 abuts against the opening edge of the male threaded portion 38, which has a male thread formed on the outer peripheral surface of the cylinder, and a concave spherical base plate 32, which is in close contact with the convex spherical base plate 31, abuts against the lower opening edge of the column 33.

[0062] The male threaded portion 38 and the female threaded portion 39 are screwed together. The male threaded portion 38 and the female threaded portion 39 are screwed together and temporarily fixed to the foundation concrete via bolts 35. After adjusting the height with the screws, hardening material is injected through the hardening material filling hole 30 to fill the enclosed space formed by the male threaded portion 38 and the female threaded portion 39 with hardening material. The concave spherical base plate 32 abutting against the lower opening edge of the column 33 is placed on the convex spherical base plate 31 abutting against the upper opening edge of the male threaded portion 38, and the angle of the column 33 is adjusted and fixed with bolts 35. The convex spherical base plate 31 has bolt holes formed therein so that a bolt can be attached every 30 degrees of rotation, thereby reducing the unit of dimension adjustment. The fixing plate 13 is a smooth plate such as a steel plate that is installed when pouring concrete to prevent wobbling due to unevenness in the surface of the foundation concrete 16. It may be removed before the structure support structure is installed. [Example]

[0063] The suspension mechanism is a proposal that can follow the deformation of wood more effectively than spring washers when loosening various nuts used in conventional construction methods. Spring washers are a means of preventing loosening of bolts and nuts that do not change in dimension, and it is difficult to say that they have solved the problem of preventing loosening of wood. However, this proposal can be used as a means of preventing loosening of nuts that can follow the time and amount of change in wood deformation.

[0064] The moisture content differential compression suspension frame can be used in a variety of ways, mainly in wooden buildings. For example, in the wood laminar construction method that uses metal fittings, a large load is concentrated at the joint support, but with the moisture content differential compression suspension frame, the wood at the joint support and the metal fittings are tightly attached with strong friction, which increases durability and stability. Furthermore, the wood frame compression unit can achieve the same effect as the moisture content differential compression suspension frame. It has the same effect as the drift pins used in the widely used pin construction method, and in addition, it can tightly connect steel plates, so it is expected to be used as a joint metal for strong and stable structures. Since it uses the restoring force of the spring, it has the advantage of being able to quantify the strength.

[0065] All social systems, including the construction industry, must be made sustainable. Currently, wooden houses are cut down and disposed of every 40 years, exceeding the productivity of forests. To solve this problem, we must make wooden buildings sustainable for over 100 years. This will allow us to return forests to virgin forests without covering them with plantations for lumber. To make wooden architecture sustainable, it is necessary to realize skeleton-infill. In other words, wooden architecture using the frame construction method, which separates the structure and floor plan, needs to become more widespread. Differential moisture content compression suspension frames and timber frame compression units can provide strong joints, making it possible to create wooden rigid frame structures.

[0066] The internal through columns can improve the accuracy of wooden buildings by reducing the variation in the radial dimensions of the horizontal members of wooden buildings, thereby reducing the variation in the height of the wooden buildings. It can also reduce the problems caused by the variation in the building height, such as waterproofing performance. The convex base plate support legs and convex base plate spacing adjustment support legs can be used on the floor beams between the floor and the foundation concrete to reduce floor creaking caused by deformation of the wood.

[0067] The support legs can be used for double floors and floor beam hardware, reducing the labor required for installation. In addition, by filling them with a hardening material, they can demonstrate high vertical strength, making them suitable for use as foundation hardware for wooden buildings. The support structure for solidifier-filled structures has height and angle adjustment functions, and by filling the interior with solidifier, it exhibits high vertical strength, so it can be used for exposed column-base type steel structures, etc. [Explanation of symbols]

[0068] 1 wood 2. Suspension Timber 3 First connecting fitting 4 Second connecting metal fitting 5 Nuts and washers 6 Convex part 7 Tenon 8 Insertion hole 9 Through slot 10 Frame Timber 11 Bent piece 12 screws 13 Fixed plate 14 Sliding surface 15 Steel plate 16 Foundation concrete 17 Flooring 18 Grain-oriented wood 19 Cross-sectional wood 20 shaft 21 Shaft base 22 Pressure welding part 23 Outer cylinder 24 Inner cylinder 25 base plate 26 Tooth 27 Pressure welding part 28 Sliding part 29 Fasteners 30 Hardener filling hole 31 Convex spherical base plate 32 Concave spherical base plate 33 Pillars 34 Fixing bolt holes 35 volts 36 Solidification material 37 Ring Plate 38 Male thread 39 Female thread 40 Column capital hardware 41 Compression Plate 42 Bolts and Nuts 43 Compression spring 44 outer case 45 Inner case a One side of the suspension timber b The other side of the wood (base material) c One fixed surface d The other fixed surface f Dimension reference surface α fluctuation amount

Claims

[Claim 1] An internal column in which cross-sectional timbers are placed horizontally on the lower layer of fiber-oriented timbers to be erected, and upper layer fiber-oriented timbers are erected on the cross-sectional timbers, An insertion hole is drilled in the lower surface of the cross-sectional lumber, reaching a side closer to the upper surface of the cross-sectional lumber; The lower layer of oriented wood is fitted into the insertion hole, and the lower layer of oriented wood is inserted into the insertion hole, and the upper surface of the lower layer of oriented wood and the cross-sectional wood abut against each other at the bottom of the insertion hole; An insertion hole smaller than the insertion hole on the lower surface of the cross-sectional lumber is drilled on the upper surface of the cross-sectional lumber, and the upper layer of grain-oriented lumber placed on the cross-sectional lumber is fitted into the insertion hole; The lower surface of the upper layer of grain-oriented wood placed on the cross-sectional wood abuts against the upper surface of the lower layer of grain-oriented wood, An internal through-post in which the inner surface of the insertion hole of the cross-sectional lumber and the mating surface of the grain lumber are in sliding contact with each other.

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